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C The larger the numerator and denominator are (and the discrepancy between the 2 remains constant) the closer that fraction is to 1. So: 1/2 is smaller than 49/50 and 49/50 is smaller than 99/100.

I got to C somewhat indirectly. I said that we need the highest numerator and lowest denominator. Then I agrued that 1/2 is less than 2/3 is less than 3/4 and therefore C. Your method is very logical. _________________

My friend, If you post Gmatclub Challenge questions, be kind and state the bloody source. You should be posting them in the relevant folder, in the first place. You can't just dump a quarter of a Challenge without citing the source. One could understand if the questions were not Challenge or GMATPrep questions. If you don't understand how much trouble it can cause, I am happy to explain it - just let me know. sorry for offtop.

Re: Which expression is the greatest (m07q16) [#permalink]

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01 Apr 2010, 07:38

xALIx wrote:

Which expression is the greatest? (A) \(\frac{1876452}{1876455}\) (B) \(\frac{1883456}{1883459}\) (C) \(\frac{1883491}{1883494}\) (D) \(\frac{1883446}{1883449}\) (E) \(\frac{1883453}{1883456}\)

Re: Which expression is the greatest (m07q16) [#permalink]

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07 Apr 2010, 09:17

I think this is a Gmat Challenge Question. A is out. B - E: of the format n/(n+3), n (183491) is greatest in C and it is the correct answer. _________________

KUDOS me if you feel my contribution has helped you.

Re: Which expression is the greatest (m07q16) [#permalink]

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06 Apr 2011, 01:50

Ans C - went with the assumption that greater Numerator and greater Denominator would provide the largest fraction .

And finally found it to be true! Thanks to You Guys for the explanations.

Also I have a Question in case we have a Numerator greater than the Denominator like - 21/20, 32/33,/45/46.. Is It true that the smallest numericals of Numerator and Denominator would have the greatest fraction ???

Re: Which expression is the greatest (m07q16) [#permalink]

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28 Jun 2011, 22:24

Suppose the question were to be reframed and we were asked to find the smallest number instead. It would be the number with the smallest numerator right? i.e. choice A?

C The larger the numerator and denominator are (and the discrepancy between the 2 remains constant) the closer that fraction is to 1. So: 1/2 is smaller than 49/50 and 49/50 is smaller than 99/100.

Thats the same logic I'd employ! This was one of the easier ones though ; Thanks for the explanation!!